1.Being more than five minutes late for an appointment.
3. Overly affectionate public displays of affection (PDA)
4. Picking your teeth in public
5. Overusing slang and “text speak”
6. Checking iPhone/iPad at dinner.
7. Eating with mouth open
8. Having alligator arms (never picking up checks)
9. Popping/snapping gum in public
10. Talking during movies
Image Source – Google Image